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After the study some of the subjects were more inclined to be more physically fit and continued to workout.

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By taking creatine you are able to lift significantly more weight.

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Conduct the same experiment but change the people taking part in the experiment.

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120 people for a margin of error of 9%.

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Crossover would work since those who take creatine would switch over to kook-aid and vice versa.

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Subjects will not know what they are given

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40 subjects who take no supplement and the placebo will be the kook-aid powder

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Metabolism, genetics, body type.

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How many more reps a person can do.

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What supplement the person was given.

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40 people take nothing
40 take kool-aid powder
40 take creatine

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120 males around the same weight and age

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Does creatine increase ones ability to do more reps of bench press.